18664 (number)

18664 is an even 5-digits composite number following 18663 and preceding 18665. In scientific notation, it is written as 1.8664 × 10^4. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 9328 positive integers (up to 18664) that are relatively prime to 18664.

Interesting facts

Basic properties

Name

Name eighteen thousand six hundred sixty-four

Notation

Scientific notation 1.8664 × 10^4
Engineering notation 1.8664 × 10^3

Prime Factorization of 18664

Prime Factorization 2 × 2 × 2 × 2333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4666
Product of the distinct prime numbers

The prime factorization of 18664 is 2 × 2 × 2 × 2333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 54, 28, 122, 174, 5377, 3487, 72659, 67694, 594471, 993279, 9675416, 4070660, 98491618, 32421889, 886024738, 474365431, 7446810251, 9453109124

Basic calculations (n = 18664)

Multiplication

n×y
n×2 37328
n×3 55992
n×4 74656
n×5 93320

Division

n÷y
n÷2 9332
n÷3 6221.3333333333
n÷3 4666
n÷5 3732.8

Exponentiation

ny
n2 348344896
n3 6501509138944
n4 121344166569250816
n5 2.2647675248485E+21

Nth Root

y√n
2√n 136.6162508635
3√n 26.525784799721
4√n 11.688295464417
5√n 7.1482699524845

Divisors of 18664

1, 2, 4, 8, 2333, 4666, 9332, 18664

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18664 can be divided by 8 positive divisors. The sum of these divisors (counting 18664) is 1, the average is 0.125.

Base conversion 18664

Base System Value
2 Binary 100100011101000
3 Ternary 221121021
4 Quaternary 10203220
5 Quinary 1044124
6 Senary 222224
8 Octal 44350
10 Decimal 18664
12 Duodecimal a974
16 Hexadecimal 48e8
20 Vigesimal 26d4
36 Base36 eeg

Cryptographic Hash Functions

md5 4148dbfefe2cef3f36b4866a1485e1ec
sha1 c9c86ac1a24b5d6e503abbefbbe46fab7f971068
sha256 247b30ee7bcca52b4ee875fcd0fada262e825e2f7b3bf6579d81b5f9a5a0dadb
sha512 07f24abfe14622a56cb9bf67fcc477a31d5bd8cc878beaa1d58e2fb9593612f1e73dfd1456e8a339270a2c2e125186800c78c333238090c148ad99b451f23fc4
ripemd-160 7e204ebfeaec30157ef1ef6e7696e9b7891ba4d0

18664 as geometric shapes

Circle

Radius = n
Diameter 37328
Circumference 117269.3705732
Area 1094357766.1891

Sphere

Radius = n
Volume 27233457797538
Surface area 4377431064.7564
Circumference 117269.3705732

Square

Length = n
Perimeter 74656
Area 348344896
Diagonal 26394.881928131

Cube

Length = n
Surface area 2090069376
Volume 6501509138944
Space diagonal 32326.996272466

Equilateral Triangle

Length = n
Perimeter 55992
Area 150837764.60732
Altitude 16163.498136233

Triangular Pyramid

Length = n
Surface area 150837764.60732
Volume 766210200015.6
Height 8798.2939760438